// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/proto/cc_conversions.h"

#include "cc/base/region.h"
#include "cc/proto/region.pb.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/rect.h"

namespace cc {
namespace {

    void VerifySerializeAndDeserializeProto(const Region& region1)
    {
        proto::Region proto;
        RegionToProto(region1, &proto);
        Region region2 = RegionFromProto(proto);
        EXPECT_EQ(region1, region2);
    }

    TEST(RegionTest, SingleRectProtoConversion)
    {
        Region region(gfx::Rect(14, 15, 16, 17));
        VerifySerializeAndDeserializeProto(region);
    }

    TEST(RegionTest, MultipleRectProtoConversion)
    {
        Region region(gfx::Rect(0, 0, 1, 1));
        region.Union(gfx::Rect(9, 0, 1, 1));
        region.Union(gfx::Rect(0, 9, 1, 1));
        region.Union(gfx::Rect(9, 9, 1, 1));
        VerifySerializeAndDeserializeProto(region);
    }

    TEST(RegionTest, OverlappingRectIntersectProtoConversion)
    {
        Region region(gfx::Rect(0, 0, 10, 10));
        region.Intersect(gfx::Rect(5, 5, 10, 10));
        VerifySerializeAndDeserializeProto(region);
    }

    TEST(RegionTest, OverlappingRectUnionProtoConversion)
    {
        Region region(gfx::Rect(0, 0, 10, 10));
        region.Union(gfx::Rect(5, 5, 10, 10));
        VerifySerializeAndDeserializeProto(region);
    }

    TEST(RegionTest, OverlappingRectSubtractProtoConversion)
    {
        Region region(gfx::Rect(0, 0, 10, 10));
        region.Subtract(gfx::Rect(5, 5, 1, 1));
        VerifySerializeAndDeserializeProto(region);
    }

    TEST(ScrollbarOrientationTest, ScrollbarOrientationToProtoConversion)
    {
        ASSERT_NE(ScrollbarOrientation::HORIZONTAL, ScrollbarOrientation::VERTICAL);
        ScrollbarOrientation orientation = ScrollbarOrientation::HORIZONTAL;
        EXPECT_EQ(orientation, ScrollbarOrientationFromProto(ScrollbarOrientationToProto(orientation)));

        orientation = ScrollbarOrientation::VERTICAL;
        EXPECT_EQ(orientation, ScrollbarOrientationFromProto(ScrollbarOrientationToProto(orientation)));
    }

} // namespace
} // namespace cc
